Concessão da patente
#16.1
09/27/1988
RPI 936
The letters patent expired on 11/15/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
E. N. (pessoa física)
RJ, BR
Inventors
N. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
#13.1
06/21/1988
RPI 922
#9.1
12/29/1987
RPI 897
09/01/1987
RPI 880
#15.11
06/09/1987
RPI 868
#6.1
02/17/1987
RPI 852
#4.1
07/01/1986
RPI 819
#3.1
04/17/1984
RPI 704
#2.1
10/26/1982
RPI 627
#21.1
11/15/1994
RPI 1250
From the same holder
Same category
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